package cn.sky.demo.controller;


import cn.sky.demo.test.User;
import org.springframework.web.bind.annotation.*;

import java.util.*;

/**
 * @author sky
 * @date 2025年09月24日 16:17
 * @description RESTful Controller Test
 * @since 1.0.0
 */
@RestController
@RequestMapping("/users")
public class UserController{
    // 创建线程安全的Map
    static Map<Long, User> users = Collections.synchronizedMap(new HashMap<Long, User>());

    @RequestMapping(value = "/", method = RequestMethod.GET,produces = "application/json;charset=UTF-8")
    public List< User> getUserList(){

        // 处理"/users/"的GET请求，用来获取用户列表
        // 还可以通过@RequestParam从页面中传递参数来进行查询条件或者翻页信息的传递
        List<User> r = new ArrayList<User>(users.values());
        return r;
    }
    @RequestMapping(value = "/", method = RequestMethod.POST)
    public String postUser(@ModelAttribute User user){
        // 处理"/users/"的POST请求，用来创建User
        // 除了@ModelAttribute绑定参数之外，还可以通过@RequestParam从页面中传递参数
        users.put(user.getId(),user);
        return "success";
    }
    @RequestMapping(value = "/{id}", method = RequestMethod.GET)
    public User getUser(@PathVariable Long id){
        // 处理"/users/{id}"的GET请求，用来获取url中id值的User信息
        // url中的id可通过@PathVariable绑定到函数的参数中
        return users.get(id);
    }
    @RequestMapping(value = "/{id}", method = RequestMethod.PUT)
    public String putUser(@PathVariable Long id, @ModelAttribute User user){
        // 处理"/users/{id}"的PUT请求，用来更新User信息
        User u = users.get(id);
        u.setName(user.getName());
        u.setAge(user.getAge());
        users.put(id, u);
        return "success";
    }
    @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
    public String deleteUser(@PathVariable Long id){
        // 处理"/users/{id}"的DELETE请求，用来删除User
        users.remove(id);
        return "success";
    }
}
